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Wheel Drive Troubleshooting Guide
Problem
Wheel drive motor will not run in forward and reverse.
Wheel drive in one direction only, loss of either forward
or reverse.
Display LED panel shows an error 03 fault code.
* = See the Curtis Controller Diagnostics section.
50 - Form No. 56043161 - Clean Track
Possible Cause
• Wheel Drive Motor Circuit Breaker (CB2) tripped - reset
30A circuit breaker
• Control Circuit Circuit Breaker (CB1) tripped - reset
circuit breaker
• Defective Wheel Drive Motor - replace motor
• Defective Throttle Potentiometer (R1) - replace *
• Test the Forward and Reverse (R1) wiring outputs (pins
3, 4 and 13) at the speed control for an open.
• Repair wiring or replace the R1 pot.
• Controller can't change electrical polarity to wheel
motor - replace the (A1) speed control.
• Speed controller has sensed an operation error code
fault. (See the Status LED Fault Codes -Table 1 in
the Electrical section.)
L24
®
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Troubleshooting
